Control Valves and Instrumentation - Leslie Controls, Inc. Control Valves are our main product. We sell control valves. control valves, control valves, control valves, Linear Control Valves DKLO DigiValve Rotary Control Valves 3-Way Control Valves On/Off Valves Specialty Actuators & Positioners Electro-Pneumatic Controllers Pneumatic Controllers Pressure Reducing Valves Temperature Regulating Vlvs Heaters Whistles Cryogenics This site best viewed with Internet Explorer 4.0 or better at 800 x 600 resolution. Privacy Policy